package com.kuang.controller;


import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.thymeleaf.util.StringUtils;

import javax.servlet.http.HttpSession;

@Controller
public class LoginController {

    @RequestMapping("/user/login")
    public String login(@RequestParam("username") String username,
                        @RequestParam("password") String password,
                        Model model, HttpSession session) {

        //具体的业务：
        if (!StringUtils.isEmpty(username) && "123456".equals(password)) {
            session.setAttribute("loginUser",username);
            return "redirect:/main.html";
        } else {
            //告诉用户 你登录失败了
            model.addAttribute("msg", "用户名或者密码错误！");
            return "index";
        }

    }

    public String logout(HttpSession session){
        session.invalidate();
        return "redirect:/index.html";
    }

}
